Greeking is the process of partially or fully obscuring trademarked images that have not been cleared for use.  
This is a particularly blatant example from an episode of the late ’90s Sorkin dramamedy, “Sports Night.”  Apparently, the props master had a good amount of American flag stickers on hand. 

Greeking is the process of partially or fully obscuring trademarked images that have not been cleared for use.  

This is a particularly blatant example from an episode of the late ’90s Sorkin dramamedy, “Sports Night.”  Apparently, the props master had a good amount of American flag stickers on hand. 

MOOO